Table of Contents
BlackDiamond 20808 Switch Hardware Installation Guide
4
Temperature .................................................................................................................34
Chassis Airflow Requirements.........................................................................................34
Space Requirements for the Switch.................................................................................35
Rack Specifications and Recommendations ...........................................................................36
Mechanical Recommendations for the Rack .....................................................................36
Protective Grounding for the Rack...................................................................................36
Meeting Power Requirements .....................................................................................................37
Power Supply Requirements.................................................................................................37
AC Power Cord Requirements ...............................................................................................38
Replacing the Power Cord ..............................................................................................39
Uninterruptible Power Supply Requirements ..........................................................................39
Selecting a UPS ............................................................................................................39
Calculating Volt-Amperage Requirements.........................................................................40
UPS Transition Time .....................................................................................................40
Evaluating and Meeting Cable Requirements ...............................................................................40
Cabling Standards ...............................................................................................................40
Cable Labeling and Record Keeping......................................................................................40
Installing Cable...................................................................................................................41
Fiber Optic Cable ..........................................................................................................42
Cable Distances ............................................................................................................43
RJ-45 Connector Jackets .....................................................................................................44
Radio Frequency Interference...............................................................................................44
Applicable Industry Standards....................................................................................................45
Chapter 5: Installing the BlackDiamond 20808 Chassis................................................................... 47
Unpacking................................................................................................................................47
Pre-Installation Requirements ....................................................................................................49
Front-Mounting a BlackDiamond 20808 Chassis..........................................................................49
Mid-Mounting a BlackDiamond 20808 Chassis............................................................................52
Attaching the PSU Air Baffles ....................................................................................................54
Grounding the BlackDiamond 20808 Chassis ..............................................................................55
Chapter 6: Installing Power Supplies in the BlackDiamond 20808 Switch ........................................ 57
Installing a 2400 W AC Power Supply Unit (PSU) ........................................................................57
Pre-Installation Requirements ..............................................................................................57
Installing an AC Power Supply ..............................................................................................58
Connecting Power ...............................................................................................................60
Using the Wire-Style Power Cord Retainer........................................................................60
Using the Clamp-Style Power Cord Retainer .....................................................................61
Removing an Extreme Networks 2400 W AC PSU.........................................................................63
Installing a 1900 W DC Power Supply.........................................................................................64
Required Tools and Materials ...............................................................................................64
Installation Summary...........................................................................................................64
Preparing the Cables ...........................................................................................................65
Installing the Power Supply..................................................................................................65
Connecting the Ground Cable ...............................................................................................68
Connecting the PSU to the DC Source Voltage .......................................................................69
Removing an Extreme Networks 1900 W DC PSU ........................................................................70
Installing a PSU Blank Slot Cover ...............................................................................................71
